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  1. #1

    Sep 2008
    ..!
    2,201

    Thumbs up ..


    ..


    :







    ^200 =
    - ()
    - (-1)
    - (1)
    -




    ( )
    :
    - 3
    _ 12_20
    _ 40




    : ::::: 10 6
    ::

    :: ...
    :: 3 , 10 , 40 , 40




    ^200 =
    (^4)^50 = ( 1 )^50 = 1




    ( )

    :
    - 3
    _ 12_20
    _ 40


    3







    .. ..!

  2. #2

    Sep 2008
    ..!
    2,201

    :
    1-
    2-
    3-
    4-

    | |
    | |
    8 7
    | |
    | |
    8 7 ..

    1-
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    :

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    2- b-
    3-




    4-









    ^ 200
    3




    3 3
    11 ..
    1- 99000
    2- 100000
    3- 133100
    4-




    .. ..!

  3. #3

    Sep 2008
    ..!
    2,201

    :
    ( ) (rna ; dna) "


    5 4





    ........




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    : ( )



    \2 0 () 2
    = 1- = ^2 -1


    3\5 - 4\5
    ...!!!!





    I love playing football , ........... my brother loves swimming

    1- and
    2- to
    3- but
    4- for


    .. ..!

  4. #4

    Sep 2008
    ..!
    2,201

    10 .. 6 .. ..

    1- 10
    2- 8
    3- 4
    4- 6
    .. ..

    ..:::

    10^2 = 6^2 + ^2
    100 = 36 + ^2
    ^2= 100 -36
    ^2 = 64
    ..
    = 8




    200 ʡ-11-


    :
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    -----------------------


    3d
    4s
    4p
    4d





    4s

    (N+L)

    3d 3+2=5
    4s 4+0=4
    4p 4+1=5
    4d 4+2=6


    4s 4d
    -----------------------------
    2000 220 50-60

    10 0,1 <<

    ( 200-20-10-2 )







    ..




    .. ..!

  5. #5

    Sep 2008
    ..!
    2,201

    :
    1- 1
    2- 7
    3- 4
    4- ..


    " 1 "








    5 4


    (5 3) ( 4 2 ) = 10 * 6 = 60





    A+B------>C+D+Heat

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    .. ..!

  6. #6

    Sep 2008
    ..!
    2,201



    1)a
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    3)c
    4)d




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    (-1)-(1) =2
    ( -1,1) =
    2 , -2 , 1 , -1





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    .. ..!

  7. #7

    Sep 2008
    ..!
    2,201




    ..

    ( 1 )





    : ...




    : -- 100


    : :






    .. but and
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    Kmno4

    Mno4
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    7
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    6
    --------------------------

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    +5

    -3 +5 > - 5 + 5 > 3 + 5

    :
    2 > > 8

    >




    .. ..!

  8. #8

    Sep 2008
    ..!
    2,201

    : ..
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    =








    1
    = 2
    3
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    :1/1 1/2 .....
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    1/ = 1/ + 1/

    =


    = 1/ = /



    =.+
    = . + 0.5 ^2
    ^2=.^2 + 2


    20-20000 20 20000






    .. ..!

  9. #9

    Sep 2008
    ..!
    2,201

    :-






    reflects =
    beneath =
    very larg =




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    3






    0,5 2.4
    1,2 = \ 0.5= \ 2.4
    = 0.5 2.4 = 1.2
















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    2


    .. ..!

  10. #10

    Sep 2008
    ..!
    2,201

    :


    :
    1 ()
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    3
    1 -dna rna -dna rna -


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    : -b
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    .. ..!